Part Number
Part Number:
NSN:
NIIN:
Item Name:
VALVE , SAFETY RELIEF
Definition:
A VALVE DESIGNED TO AUTOMATICALLY RELEASE EXCESSIVE PRESSURES. IT IS ACTUATED BY STATIC PRESSURE UPSTREAM OF THE VALVE AND IS USED AS A SAFETY VALVE OR RELIEF VALVE, AND MAY BE SET TO CLOSE AT A PREDETERMINED PRESSURE. IT IS NOT DESIGNED FOR REGULATION OF CONTINUOUSLY FLUCTUATING LOADS. IT MAY BE INLINE OR CARTRIDGE (MANIFOLD) DESIGN. EXCLUDES VALVE (1), RELIEF, PRESSURE AND TEMPERATURE.
CAGE Information
| Code | Company |
|---|---|
| 99517 | VACCO INDUSTRIES DIV VACCO |
Federal Supply Class
Title
VALVES, NONPOWERED
Inclusions:
INCLUDES AUTOMATIC NONPOWERED VALVES; GATE, GLOBE, ANGLE, CHECK, AND RELIEF VALVES; COCKS.
Exclusions:
EXCLUDES FIRE HYDRANTS (FSC 4210); SPRINKLER HEADS (FSC 4210); VALVES SPECIFICALLY DESIGNED FOR USE WITH FIRE FIGHTING EQUIPMENT (FSC 4210); PLUMBING EQUIPMENT, AND THE LIKE (FSC 4540).
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| CSDC | OPENING PRESSURE SETTING | 114.0 POUNDS PER SQUARE INCH |
| ADZH | RENEWABLE SEAT RING TYPE | PRESSED-IN |
| ADSR | BONNET TYPE | INSIDE SPRING |
| AEHZ | MAXIMUM OPERATING TEMP | 104.0 DEG FAHRENHEIT SINGLE RESPONSE |
| AAAR | NOMINAL PIPE SIZE ACCOMMODATED | 0.500 INCHES 2ND END |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-286 GRADE 500 AND QQ-N-281 CLASS A FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| CQGM | MAXIMUM OPERATING PRESSURE | 125.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| AEQJ | MINIMUM OPERATING TEMP | 40.0 DEG FAHRENHEIT |
| MATT | MATERIAL | PLASTIC POLYAMIDE SEAT |
| AAAR | NOMINAL PIPE SIZE ACCOMMODATED | 1.500 INCHES 1ST END |
| MATT | MATERIAL | NICKEL ALLOY FLOW CONTROL DEVICE |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | TRIM/DRAIN VENT VALVE ASSEMBLY |
| MEDA | MEDIA FOR WHICH DESIGNED | AIR SINGLE RESPONSE |
| STYL | STYLE DESIGNATOR | ERR-090 |
| FEAT | SPECIAL FEATURES | FLOW CONTROL DEVICES ARE POPPET PLUS DISC STACK ASSY;SERVICE FLUID IS SEAWATER SATURATED AIR; OPERATIONAL SET PRESSURE IS 114 PSIG WITH A SET PRESSURE RANGE OF 105 TO 125 PSIG; BLOWDOWN PRESSURE IS 110 PSIG; INLET CONNECTION IS 1.500 NPS SW UNION THREAD PIECE AND DRAIN CONNECTION IS 0.500 NPS SW UNION THREAD PIECE; BOTH CONNECTIONS ARE IAW CAGE 80064 DWG 803-1385884; UNION NUTS AND TAILPIECES ARE NOT INCLUDED |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | 6/12 ANNEALED L+410/ASTM-D4066 ASSN STD SINGLE MATERIAL RESPONSE SEAT |
| ADSU | DISK LOADING METHOD | SPRING |
| ADSY | VALVE DISCHARGE FLOW RATE | 285.0 CUBIC FEET PER MINUTE |
| AWLS | CONNECTION TYPE | UNTHREADED INTERNAL PIPE 1ST END |
| AWLS | CONNECTION TYPE | UNTHREADED INTERNAL PIPE 2ND END |
| ADST | BONNET ATTACHMENT METHOD | THREADED |
| MATT | MATERIAL | COPPER ALLOY 964 BODY |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM-B369 ALLOY C96400 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| AGAV | END ITEM IDENTIFICATION | NHA FLOWMETER 0-2, W/S LOS ANGELES CLASS SSN (688) |
| AHNC | CONNECTION STYLE | SOCKET ERR-100 |